The judge said the river was a site of special scientific interest and a European Union designated special area of conservation.

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The CALNI group said it is also adjacent to a European Special Protected Area of Special Scientific Interest and protected wetland.

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The company had said the high cost was due to cables having to go underground in an area of special scientific interest.

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The site is designated as a SSSI (Site of Special Scientific Interest), NNR (National Nature Reserve) and SAC (Special Area of Conservation).

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As a result, a wide area of SSSI land (Site of Special Scientific Interest) was becoming eroded as people tried to pick their way around the wet patches.

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The area is protected with a designated Site of Special Scientific Interest (SSSI) classification.

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The River Hart flows through the rural area which has 1, 000 buildings listed as being of special architectural or historical interest and more than 30 conservation areas.

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Around 44% of Wiltshire is an area of outstanding natural beauty and 14% is recognised as a Site of Special Scientific Interest.

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